42502245 has 8 divisors (see below), whose sum is σ = 68003616. Its totient is φ = 22667856.

The previous prime is 42502223. The next prime is 42502253. The reversal of 42502245 is 54220524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42502245 - 2¹¹ = 42500197 is a prime.

It is a super-3 number, since 3×42502245³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416727 + ... + 1416756.

It is an arithmetic number, because the mean of its divisors is an integer number (8500452).

Almost surely, 2^42502245 is an apocalyptic number.

It is an amenable number.

42502245 is a deficient number, since it is larger than the sum of its proper divisors (25501371).

42502245 is a wasteful number, since it uses less digits than its factorization.

42502245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833491.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 42502245 is about 6519.3745865689. The cubic root of 42502245 is about 348.9827469625.

Adding to 42502245 its reverse (54220524), we get a palindrome (96722769).

The spelling of 42502245 in words is "forty-two million, five hundred two thousand, two hundred forty-five".